DOCOHM Posted February 22, 2015 Share Posted February 22, 2015 a friend just discovered his first try at reloading 9mm he bought magnum primers by mistake. He's got about 100 rounds already loaded with 5.6 gr of Unique powder. Would it be dangerous to shoot them? Link to comment Share on other sites More sharing options...
56hawk Posted February 22, 2015 Share Posted February 22, 2015 Kind of depends on the bullet weight. Wouldn't worry about the primers though, a lot of us use rifle primers in pistol loads. Link to comment Share on other sites More sharing options...
Buddy2 Posted February 22, 2015 Share Posted February 22, 2015 They might be loaded a little hot with a magnum primer. What grain bullet is he loading? I load 115 gn bullet with 4.5 gn of Unique. Link to comment Share on other sites More sharing options...
noylj Posted February 22, 2015 Share Posted February 22, 2015 First, did he start at the manual's starting load? What bullet weight is he using? Usually, if one has an established load, one would reduce the charge weight by 2% and work up when switching to magnum primers. 5.6gr can easily be an over-MAX load for 115r and heavier bullets. I start at 4.5gr for Unique and 115gr bullets and work up. Link to comment Share on other sites More sharing options...
DOCOHM Posted February 22, 2015 Author Share Posted February 22, 2015 It's a 115 gr bullet with 5.6 gr of Unique powder. Sound OK? Link to comment Share on other sites More sharing options...
Buddy2 Posted February 22, 2015 Share Posted February 22, 2015 That's a hot load especially with a magnum primer. I would not shoot them. I would pull the bullets and put 4.3 gn of powder than shoot them with the magnum primer. Link to comment Share on other sites More sharing options...
mont1120 Posted February 22, 2015 Share Posted February 22, 2015 I agree with Buddy, Unique max loads are exactly that. Do not go over, especially with the magnum primer. Link to comment Share on other sites More sharing options...
DOCOHM Posted February 23, 2015 Author Share Posted February 23, 2015 Thanks for the replies, guys! I'll pass the word along to him (and the un-loader). Link to comment Share on other sites More sharing options...
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